private void button4_Click(object sender, EventArgs e)
 {
     if (focusLb1)
     {
         if (listBox1.SelectedIndex != -1)
         {
             NewTableNameFrm dialogus = new NewTableNameFrm((string)listBox1.SelectedItem);
             if (dialogus.ShowDialog() == DialogResult.OK)
             {
                 ConfSettings.DrawingTablesNames[listBox1.SelectedIndex] = dialogus.TableName;
                 LbRefresh1();
             }
         }
     }
     else if (focusLb2)
     {
         if (listBox2.SelectedIndex != -1)
         {
             NewTableNameFrm dialogus = new NewTableNameFrm((string)listBox2.SelectedItem);
             if (dialogus.ShowDialog() == DialogResult.OK)
             {
                 ConfSettings.DerivedTablesNames[listBox2.SelectedIndex] = dialogus.TableName;
                 LbReferesh2();
             }
         }
     }
 }
        private void button3_Click(object sender, EventArgs e)
        {
            NewTableNameFrm dialogus = new NewTableNameFrm();

            if (dialogus.ShowDialog() == DialogResult.OK)
            {
                if (focusLb1)
                {
                    ConfSettings.DrawingTablesNames.Add(dialogus.TableName);
                    LbRefresh1();
                }
                else if (focusLb2)
                {
                    ConfSettings.DerivedTablesNames.Add(dialogus.TableName);
                    LbReferesh2();
                }
                else
                {
                    KiIrBoxba.MitIrjonKi("Kattintson arra a listbox-ra amelyiknek az adatait módosítani szeretné!", Uzenetek.informació);
                }
            }
        }